2.32 in 4.57 in  | 2.52 in 5.12 in  | |
| User rating |
 Acer Allegro |  Jiayu S4 | |
|---|---|---|
| Operating system | Windows Phone 7.5 | Android 5.0 |
| CPU clock speed | 1.0 GHz | 1.7 GHz |
| CPU cores | Single-core | 8-core |
| CPU model | Qualcomm Snapdragon MSM8255 | MediaTek MT6752 |
| GPU model | Qualcomm Adreno 205 | ARM Mali-T760 MP2 |
| RAM memory | 512 MB | 3 GB |
| Acer Allegro | Jiayu S4 | |
|---|---|---|
| Screen size | 3.6 in | 4.7 in |
| Panel type | LCD | LCD |
| Resolution | 800 x 480 px | 1280 x 720 px |
| Pixel density | 259.0 ppi | 312.0 ppi |
| Multi touch | yes | yes |
| Acer Allegro | Jiayu S4 | |
|---|---|---|
| Primary sensor resolution | 5.0 Mpx | 13.0 Mpx |
| Highest video resolution | 1280 x 720 px | 1920 x 1080 px |
| Autofocus | yes | yes |
| LED Flash | yes | yes |
| Acer Allegro | Jiayu S4 | |
|---|---|---|
| Types of memory card supported | No memory slot | microSD |
| Acer Allegro | Jiayu S4 | |
|---|---|---|
| Height | 4.57 in | 5.12 in |
| Width | 2.32 in | 2.52 in |
| Depth | 0.51 in | 0.33 in |
| Acer Allegro | Jiayu S4 | |
|---|---|---|
| Accelerometer | yes | yes |
| Proximity | yes | yes |
| Digital compass | yes | yes |
| Ambient light sensor | yes | yes |
| Gyroscope | yes | yes |
| Acer Allegro | Jiayu S4 | |
|---|---|---|
| Sim card size | Mini-SIM | Micro-SIM |
| Bluetooth | yes | yes |
| Bluetooth version | 2.1 EDR | 4.0 |
| Headphone connection | 3.5 mm | 3.5 mm |
| Type of USB connector | Micro-USB | Micro-USB |
| Acer Allegro | Jiayu S4 | |
|---|---|---|
| Wireless network (Wi-Fi) | yes | yes |
| Data transmission | HSDPA | HSPA+ |
| Navigation system | GPS | GPS |
| 2G GSM | yes | yes |
| GSM frequencies |
|
|
| UMTS frequences |
|
|
| Mobile hotspot | yes | yes |
| Acer Allegro | Jiayu S4 | |
|---|---|---|
| Battery type | Lithium ion | Lithium ion |
| Battery capacity | 1300.0 mAh | 2500.0 mAh |
| Pros | ||
|---|---|---|
| Cons |
Add products
